nothing special, the principal character chases the mercedes with his mustang for some minutes and then stops in a building. But there are not any crashes or similar.
Same thing with the plymouth and the peterbuilt

The German Shepherd Koton that played Jerry Lee was a real Kansas City, Missouri, police dog. On 18 November 1991, he was shot and killed apprehending a suspect in the attempted murder of a police officer. Ten days before his death, Koton found ten kilos of cocaine worth more than 1.2 million dollars.

Here is the news article.

Kansas City, MO. - 1991
On November 18, 1991 Police K9 Star gave his life while searching a darkened house for a suspect wanted in the attempted murder of a police officer. K9 Star responded with other tactical officers when police had received a tip of the possible whereabouts of the suspect. A verbal warning that a dog was to be released to search the building was given by Stars' handler, Officer Patter son and one subject came out, however was not the suspect wanted by the police. Officer Patterson repeated the warning and receiving no response, released Star to search the building. The dog indicated on a bedroom and entered the room. The dog located the suspect and barked at which time two shots were fired.

Officer Patterson recalled the dog, and Star managed to limp his way toward him, collapsing as he reached his handler. Officer Patterson picked up his partner and rushed him to the nearest veterinarian hospital, however Star was pronounce dead on arriv al. Other officers at the scene pumped tear gas into the build ing, however it had no apparent effect on the suspect. He fired on the officers and was subsequently killed by return fire.

Stars' real name was Koton. He starred in the movie "K9" with James Belushi. He was teamed with Officer Patterson for two years, and responsible for over twenty four felony arrests at the time of his death. Only ten days before he was killed, he was responsible for locating ten kilos of cocaine that was worth 1.2 million dollars. He was the fourth police dog to die in the line of duty in Kansas City.